Collecting old coins can be both a rewarding hobby and a wise investment. Some pennies from the 1800s are worth far more than their face value today, fetching impressive sums at auctions. Here are six ...

Add Yahoo as a preferred source to see more of our stories on Google. tab1962 / iStock via Getty Images Most of the time, a penny is worth just one cent, but in the case of the most valuable pennies, ...